40mm M320 grenade launcher will be replace M203 next year

Steve Johnson
by Steve Johnson

The Army Times reports that the H&K developed M320 will being replacing the M203 in February next year.

The Army plans to begin fielding the first of 71,600 new replacement launchers in February for a cost of about $3,500 each, Audette said. Fielding of the M320 will likely be completed by 2015, Audette said.


Each M320 will come with a laser range finder and a sophisticated sight that even lets soldiers know if they aren’t holding the launcher right.

M320 with stock and laser range finder sighting system.

The unit weights 3.57 – 3.89 lbs depending on what rifle it is being mounted on.The stock pictured above adds an extra lb bringing the weight up to 4.8 lbs.

Benefits over the M230 are:

– The barrel swings out allowing larger rounds than the M203. Useful for less than lethal rounds.

– Laser range finder and new electronic sight system which also indicates if the launcher is being held incorrectly.

– Double action trigger

M320 mounted under M4.
Steve Johnson
Steve Johnson

I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!

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2 of 41 comments
  • Too many Too many on Aug 19, 2012

    So how would a AN/PEQ 18A attach to a HK EGLM 40mm? Does it come off the M203 mount? Attach to the leaf sight? I have been trying to figure this out...

  • Jerry Mcdurmott Jerry Mcdurmott on Jan 17, 2014

    The M320 is a bulky piece of crap. 203 will always be the superior weapon. You want utility on the fly, not an over done pos with enough bulk to get caught on any and everything.